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basic_consume_spec.rb
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basic_consume_spec.rb
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require "spec_helper"
require "set"
describe Bunny::Queue, "#subscribe" do
let(:connection) do
c = Bunny.new(:user => "bunny_gem", :password => "bunny_password", :vhost => "bunny_testbed")
c.start
c
end
after :each do
connection.close if connection.open?
end
context "with automatic acknowledgement mode" do
let(:queue_name) { "bunny.basic_consume#{rand}" }
it "registers the consumer" do
delivered_keys = []
delivered_data = []
t = Thread.new do
ch = connection.create_channel
q = ch.queue(queue_name, :auto_delete => true, :durable => false)
q.subscribe(:exclusive => false, :manual_ack => false) do |delivery_info, properties, payload|
delivered_keys << delivery_info.routing_key
delivered_data << payload
end
end
t.abort_on_exception = true
sleep 0.5
ch = connection.create_channel
x = ch.default_exchange
x.publish("hello", :routing_key => queue_name)
sleep 0.7
delivered_keys.should include(queue_name)
delivered_data.should include("hello")
ch.queue(queue_name, :auto_delete => true, :durable => false).message_count.should == 0
ch.close
end
context "with a single consumer" do
let(:queue_name) { "bunny.basic_consume#{rand}" }
it "provides delivery tag access" do
delivery_tags = SortedSet.new
cch = connection.create_channel
q = cch.queue(queue_name, :auto_delete => true, :durable => false)
q.subscribe(:exclusive => false, :manual_ack => false) do |delivery_info, properties, payload|
delivery_tags << delivery_info.delivery_tag
end
sleep 0.5
ch = connection.create_channel
x = ch.default_exchange
100.times do
x.publish("hello", :routing_key => queue_name)
end
sleep 1.0
delivery_tags.should == SortedSet.new(Range.new(1, 100).to_a)
ch.queue(queue_name, :auto_delete => true, :durable => false).message_count.should == 0
ch.close
end
end
context "with multiple consumers on the same channel" do
let(:queue_name) { "bunny.basic_consume#{rand}" }
it "provides delivery tag access" do
delivery_tags = SortedSet.new
cch = connection.create_channel
q = cch.queue(queue_name, :auto_delete => true, :durable => false)
7.times do
q.subscribe(:exclusive => false, :manual_ack => false) do |delivery_info, properties, payload|
delivery_tags << delivery_info.delivery_tag
end
end
sleep 1.0
ch = connection.create_channel
x = ch.default_exchange
100.times do
x.publish("hello", :routing_key => queue_name)
end
sleep 1.5
delivery_tags.should == SortedSet.new(Range.new(1, 100).to_a)
ch.queue(queue_name, :auto_delete => true, :durable => false).message_count.should == 0
ch.close
end
end
end
context "with manual acknowledgement mode" do
let(:queue_name) { "bunny.basic_consume#{rand}" }
it "register a consumer with manual acknowledgements mode" do
delivered_keys = []
delivered_data = []
t = Thread.new do
ch = connection.create_channel
q = ch.queue(queue_name, :auto_delete => true, :durable => false)
q.subscribe(:exclusive => false, :manual_ack => true) do |delivery_info, properties, payload|
delivered_keys << delivery_info.routing_key
delivered_data << payload
ch.ack(delivery_info.delivery_tag)
end
end
t.abort_on_exception = true
sleep 0.5
ch = connection.create_channel
x = ch.default_exchange
x.publish("hello", :routing_key => queue_name)
sleep 0.7
delivered_keys.should include(queue_name)
delivered_data.should include("hello")
ch.queue(queue_name, :auto_delete => true, :durable => false).message_count.should == 0
ch.close
end
end
ENV.fetch("RUNS", 20).to_i.times do |i|
context "with a queue that already has messages (take #{i})" do
let(:queue_name) { "bunny.basic_consume#{rand}" }
it "registers the consumer" do
delivered_keys = []
delivered_data = []
ch = connection.create_channel
q = ch.queue(queue_name, :auto_delete => true, :durable => false)
x = ch.default_exchange
100.times do
x.publish("hello", :routing_key => queue_name)
end
sleep 0.7
q.message_count.should be > 50
t = Thread.new do
ch = connection.create_channel
q = ch.queue(queue_name, :auto_delete => true, :durable => false)
q.subscribe(:exclusive => false, :manual_ack => false) do |delivery_info, properties, payload|
delivered_keys << delivery_info.routing_key
delivered_data << payload
end
end
t.abort_on_exception = true
sleep 0.5
delivered_keys.should include(queue_name)
delivered_data.should include("hello")
ch.queue(queue_name, :auto_delete => true, :durable => false).message_count.should == 0
ch.close
end
end
end # 20.times
context "after consumer pool has already been shut down" do
let(:queue_name) { "bunny.basic_consume#{rand}" }
it "registers the consumer" do
delivered_keys = []
delivered_data = []
t = Thread.new do
ch = connection.create_channel
q = ch.queue(queue_name)
c1 = q.subscribe(:exclusive => false, :manual_ack => false, :block => false) do |delivery_info, properties, payload|
end
c1.cancel
c2 = q.subscribe(:exclusive => false, :manual_ack => false, :block => false) do |delivery_info, properties, payload|
delivered_keys << delivery_info.routing_key
delivered_data << payload
end
c2.cancel
q.subscribe(:exclusive => false, :manual_ack => false, :block => true) do |delivery_info, properties, payload|
delivered_keys << delivery_info.routing_key
delivered_data << payload
end
end
t.abort_on_exception = true
sleep 0.5
ch = connection.create_channel
x = ch.default_exchange
x.publish("hello", :routing_key => queue_name)
sleep 0.7
delivered_keys.should include(queue_name)
delivered_data.should include("hello")
ch.queue(queue_name).message_count.should == 0
ch.queue_delete(queue_name)
ch.close
end
end
context "with uncaught exceptions in delivery handler" do
context "and defined exception handler" do
let(:queue_name) { "bunny.basic_consume#{rand}" }
it "uses exception handler" do
caught = nil
t = Thread.new do
ch = connection.create_channel
q = ch.queue(queue_name, :auto_delete => true, :durable => false)
ch.on_uncaught_exception do |e, consumer|
caught = e
end
q.subscribe(:exclusive => false, :manual_ack => false) do |delivery_info, properties, payload|
raise RuntimeError.new(queue_name)
end
end
t.abort_on_exception = true
sleep 0.5
ch = connection.create_channel
x = ch.default_exchange
x.publish("hello", :routing_key => queue_name)
sleep 0.5
caught.message.should == queue_name
ch.close
end
end
context "and default exception handler" do
let(:queue_name) { "bunny.basic_consume#{rand}" }
it "uses exception handler" do
t = Thread.new do
ch = connection.create_channel
q = ch.queue(queue_name, :auto_delete => true, :durable => false)
q.subscribe(:exclusive => false, :manual_ack => false) do |delivery_info, properties, payload|
raise RuntimeError.new(queue_name)
end
end
t.abort_on_exception = true
sleep 0.5
ch = connection.create_channel
x = ch.default_exchange
5.times { x.publish("hello", :routing_key => queue_name) }
sleep 1.5
ch.close
end
end
context "with a single consumer" do
let(:queue_name) { "bunny.basic_consume#{rand}" }
it "provides delivery tag access" do
delivery_tags = SortedSet.new
cch = connection.create_channel
q = cch.queue(queue_name, :auto_delete => true, :durable => false)
q.subscribe(:exclusive => false, :manual_ack => false) do |delivery_info, properties, payload|
delivery_tags << delivery_info.delivery_tag
end
sleep 0.5
ch = connection.create_channel
x = ch.default_exchange
100.times do
x.publish("hello", :routing_key => queue_name)
end
sleep 1.0
delivery_tags.should == SortedSet.new(Range.new(1, 100).to_a)
ch.queue(queue_name, :auto_delete => true, :durable => false).message_count.should == 0
ch.close
end
end
context "with multiple consumers on the same channel" do
let(:queue_name) { "bunny.basic_consume#{rand}" }
it "provides delivery tag access" do
delivery_tags = SortedSet.new
cch = connection.create_channel
q = cch.queue(queue_name, :auto_delete => true, :durable => false)
7.times do
q.subscribe(:exclusive => false, :manual_ack => false) do |delivery_info, properties, payload|
delivery_tags << delivery_info.delivery_tag
end
end
sleep 1.0
ch = connection.create_channel
x = ch.default_exchange
100.times do
x.publish("hello", :routing_key => queue_name)
end
sleep 1.5
delivery_tags.should == SortedSet.new(Range.new(1, 100).to_a)
ch.queue(queue_name, :auto_delete => true, :durable => false).message_count.should == 0
ch.close
end
end
end
end # describe